124540072 has 16 divisors (see below), whose sum is σ = 234026100. Its totient is φ = 62133120.

The previous prime is 124540061. The next prime is 124540111. The reversal of 124540072 is 270045421.

It can be written as a sum of positive squares in 2 ways, for example, as 123343236 + 1196836 = 11106^2 + 1094^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13197 + ... + 20572.

Almost surely, 2^124540072 is an apocalyptic number.

It is an amenable number.

124540072 is a deficient number, since it is larger than the sum of its proper divisors (109486028).

124540072 is a wasteful number, since it uses less digits than its factorization.

124540072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34236 (or 34232 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 124540072 is about 11159.7523270008. The cubic root of 124540072 is about 499.3860090054.

Adding to 124540072 its reverse (270045421), we get a palindrome (394585493).

The spelling of 124540072 in words is "one hundred twenty-four million, five hundred forty thousand, seventy-two".